I'm looking at a more corporate version of google docs for my company. My requirements:
* Feature set similar to the free version of google docs
* Supports corporate registration to support limiting sharing to only users with @mycompanyname.com (free google docs is too insecure)
* Reasonable or no per-user charges (google docs premium is per user :( )
* Hosted online, am too lazy to install and support the software myself - am willing to compromise on this point
Will pay of course. What's good services to try?